What do you like about GNOME Boxes?

There’s a Wikipedia article regarding this incident. Have a look: https://en.wikipedia.org/wiki/XZ_Utils_backdoor

RIP “Ace of Spades: Battle Builder”. I can’t play this game because Jagex shut down the servers. Can’t even play LAN or against bots.

I believe the immutable distros you’re referring to are Fedora Silverblue and Fedora Kinoite.

Yes. I do have some applications installed as flatpak. What’s the problem?

What issues do you face with Flatpak?

I don’t get it. Do you have two versions of Firefox installed?